CN109568902B - Power transmission line iron tower climbing system - Google Patents
Power transmission line iron tower climbing system Download PDFInfo
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- CN109568902B CN109568902B CN201910069854.8A CN201910069854A CN109568902B CN 109568902 B CN109568902 B CN 109568902B CN 201910069854 A CN201910069854 A CN 201910069854A CN 109568902 B CN109568902 B CN 109568902B
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- guide rail
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 76
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 230000009194 climbing Effects 0.000 title claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 5
- 238000007906 compression Methods 0.000 claims 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B27/00—Apparatus for climbing poles, trees, or the like
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a power transmission line iron tower climbing system which comprises a power transmission line iron tower climbing assistant (80) and a guide rail (90), wherein the power transmission line iron tower climbing assistant (80) comprises an upper machine body (10) and a lower machine body (20), the upper machine body (10) comprises a driving mechanism (30), a transmission belt mechanism (40) and a pressing mechanism (50), the guide rail (90) is inserted into a groove (12) formed by surrounding a transmission belt (45), a first lower cross beam (21) and a second lower cross beam (22), the pressing mechanism (50) can enable a belt surface of the transmission belt (45) to press a working surface (91) of the guide rail, and the transmission belt mechanism (40) can enable the power transmission line iron tower climbing system to move along the guide rail (90). This transmission line iron tower climbing system can provide invariable lifting force for the staff that needs to step on the tower, makes the climbing appear more nimble and comfortable, makes things convenient for the staff to go up and down the iron tower.
Description
Technical Field
The invention relates to the field of auxiliary equipment for overhauling an electric transmission line iron tower, in particular to an electric transmission line iron tower climbing system.
Background
In recent years, as the construction mileage of the ultra-high voltage transmission line in China is increased, the maintenance workload and the working difficulty of the transmission line iron tower are increased. And higher requirements are put forward on the technical development in the field of operation, maintenance and overhaul of the power transmission line. The maintenance is an important means for ensuring the safe operation of the transmission line, and the accident potential can be found out early and removed in time. Therefore, it is necessary to research and develop maintenance technologies and equipment matched with the power grid construction level in the field of power transmission line operation maintenance.
At present, manned tower climbing equipment is high in cost, is difficult to install and apply in a large scale, and only a small amount of large-span and extra-high voltage line towers are provided with the manned tower climbing equipment. However, there are many common towers on the line with a height of about 40-150 meters, as opposed to large spanning towers with a height of 150 meters or more. The common iron tower has relatively smaller size, relatively lower design safety margin and the like, and if manned lifting equipment such as an elevator, a construction lifter and the like is used, the cost is too high, the portability, maintainability and the like are poor, and the cost performance is low. At present, no supporting equipment specially aiming at the iron tower is arranged, and the circuits are overhauled mainly by climbing the straight ladder arranged in the iron tower by bare hands, so that the labor intensity is high, and the necessary anti-falling safety protection is lacked.
Disclosure of Invention
In order to facilitate manual climbing of the transmission line iron tower, the invention provides the transmission line iron tower climbing system which is lower in cost and lighter in weight, and can provide constant lifting force for workers who need to climb the tower, so that climbing is more flexible and comfortable, and workers can conveniently climb and descend the transmission line iron tower, so that the working efficiency and the personal safety are improved. The power transmission line iron tower climbing system effectively reduces the risk probability possibly caused by physical consumption, and finally provides a safe and comfortable working condition for tower climbing operators.
The invention solves the technical problems that: the utility model provides a transmission line iron tower climbing system, including transmission line iron tower climbing assistant and guide rail, this transmission line iron tower climbing assistant contains organism and lower organism, go up the organism and contain the frame, actuating mechanism, drive belt mechanism and hold-down mechanism, drive belt mechanism contains the drive belt, driving pulley and first driven pulley all are connected with the frame, actuating mechanism can drive belt mechanism operation through the actuating mechanism, the organism contains first bottom rail and second bottom rail down, the drive belt is located between first bottom rail and the second bottom rail, the guide rail is pegged graft in the recess that drive belt, first bottom rail and second bottom rail enclose, hold-down mechanism can make the organism move to the direction that is close to or keep away from the organism down, hold-down mechanism can also make the area face of drive belt compress tightly the working face of guide rail, drive belt mechanism operation can make transmission line iron tower climbing assistant removes along the guide rail.
The frame is rectangular structure, and the frame contains first entablature and the second entablature that is parallel to each other, and parallel arrangement about first entablature and the first entablature, parallel arrangement about second entablature and the second entablature.
The transmission belt is positioned between the first upper cross beam and the second upper cross beam, the lower layer belt surface of the transmission belt is lower than the lower end surface of the frame, the running direction of the transmission belt is parallel to the first upper cross beam, and a second driven belt pulley and a third driven belt pulley are further arranged between the driving belt pulley and the first driven belt pulley.
The outer surface of driving pulley, the outer surface of first driven pulley, the outer surface of second driven pulley and the outer surface of third driven pulley all are equipped with the external tooth, and the internal surface of drive belt is equipped with the internal tooth, external tooth and internal tooth meshing.
The driving mechanism comprises a speed reducer, a motor and an encoder which are sequentially connected, the transmission mechanism comprises a pinion and a large gear which are meshed with each other, the pinion is connected with the speed reducer, and the large gear is connected with the driving belt wheel.
The pressing mechanism comprises a first eccentric wheel, an eccentric wheel shaft, a second eccentric wheel and a handle which are sequentially connected, a first shaft sleeve and a second shaft sleeve are sleeved outside the eccentric wheel shaft, the first shaft sleeve is connected with a first lower cross beam through a first pull rod, the second shaft sleeve is connected with a second lower cross beam through a second pull rod, and the working face of the first eccentric wheel and the working face of the second eccentric wheel are both in butt joint with the frame; when the eccentric wheel shaft rotates to a pressing position, the distance between the first lower cross beam and the upper machine body and the distance between the second lower cross beam and the upper machine body reach the minimum value; when the eccentric axle rotates to the loosening position, the distance between the first lower cross beam and the upper machine body and the distance between the second lower cross beam and the upper machine body reach the maximum value.
The section of the first eccentric wheel and the section of the second eccentric wheel are mirror images, the first pull rod and the second pull rod penetrate through the frame, the second pull rod is located between the first pull rod and the second eccentric wheel, and the handle is located on the outer side of the frame.
The inboard of first bottom end rail and second bottom end rail all is equipped with the side leading wheel that is used for with the side contact of guide rail, and the inboard of first bottom end rail still is equipped with the fixed leading wheel that is used for with the back contact of guide rail, and the inboard of second bottom end rail still is equipped with the tight leading wheel that is used for with the back contact of guide rail, and the outside of second bottom end rail is equipped with the sideslip mechanism that can make the tight leading wheel follow the axial displacement of tight leading wheel.
The inboard of second bottom end rail is equipped with two and compresses tightly the leading wheel, and sideslip mechanism contains the connecting rod, and the connecting rod is parallel with the second bottom end rail, and the connecting rod loops through the end plate and removes the leading wheel axle and be connected with compressing tightly the leading wheel, is equipped with the spring that can make compressing tightly the leading wheel reset between compressing tightly leading wheel and the second bottom end rail, and when the connecting rod rotated to the direction of keeping away from the organism down, the end plate can drive compressing tightly the leading wheel through removing the leading wheel axle and remove to the direction that is close to the second bottom end rail.
The second eccentric wheel is externally connected with a limiting rod, the limiting rod can synchronously rotate along with the second eccentric wheel, a baffle is fixedly connected between the two end plates, and the baffle is positioned between the connecting rod and the second lower cross beam; when the eccentric wheel shaft rotates to a pressing position, the baffle is positioned between the limiting rod and the frame, and the limiting rod can prevent the connecting rod from rotating in a direction away from the lower machine body; when the eccentric wheel shaft rotates to the loosening position, the limiting rod can not stop the connecting rod from rotating in the direction away from the lower machine body.
The beneficial effects of the invention are as follows:
1. in the tower climbing process, certain lifting force is always provided, the labor intensity problem of manual tower climbing operation of a transmission line iron tower is effectively relieved, and meanwhile effective safety protection is provided.
2. The equipment speed can be changed according to the climbing speed of operators, and the equipment is more beneficial to the operation of the operators.
3. The equipment is simple and convenient to install on the guide rail, and is light and easy to carry.
4. The power of the equipment is derived from a self-contained high-energy lithium battery, and an external power supply and a cable are not needed.
5. The device adopts a simple and reliable transmission belt for transmission, realizes the light design target to the maximum extent, and is simple and practical, and high in safety and reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a front view of a transmission line pylon climbing assistant according to the present invention.
Fig. 2 is a top view of the transmission line tower climbing assistant according to the present invention.
Fig. 3 is a left side view of the transmission line pylon climbing assistant of the present invention.
Fig. 4 is a front perspective view of the transmission line tower climbing assistant according to the present invention.
Fig. 5 is a rear perspective view of the transmission line pylon climbing assistant of the present invention with a portion of the housing removed.
Fig. 6 is a bottom perspective view of the transmission line tower climbing assistant according to the present invention.
Fig. 7 is a front perspective view of the transmission line tower climbing assistant according to the present invention with the outer shell removed.
Fig. 8 is a cross-sectional view taken along A-A in fig. 1.
Fig. 9 is a sectional view taken along the direction B-B in fig. 1.
Fig. 10 is a cross-sectional view taken along the direction C-C in fig. 2.
Fig. 11 is a schematic view of a hold-down mechanism.
Fig. 12 is a schematic view of a traversing mechanism.
Fig. 13 is a plan view of a state of use of the pylon climbing system of the present invention.
Fig. 14 is a schematic cross-sectional structure of the guide rail.
Fig. 15 is a perspective view of a use state of the climbing system for the pylon according to the present invention.
10. An upper body; 11. a frame; 12. a groove; 13. a first upper cross member; 14. a second upper cross member; 15. a hanging ring; 16. a front limiting plate; 17. a rear limiting plate;
20. a lower body; 21. a first lower cross member; 22. a second lower cross member; 23. fixing a guide wheel; 24. compressing the guide wheel; 25. a side guide wheel;
30. a driving mechanism; 31. a speed reducer; 32. a motor; 33. an encoder;
40. a belt mechanism; 41. a driving pulley; 42. a first driven pulley; 43. a second driven pulley; 44. a third driven pulley; 45. a transmission belt;
50. a compressing mechanism; 51. a first eccentric; 52. an eccentric wheel shaft; 53. a second eccentric; 54. a handle; 55. a first sleeve; 56. a second sleeve; 57. a first pull rod; 58. a second pull rod; 59. a limit rod;
60. a transmission mechanism; 61. a pinion gear; 62. a large gear;
70. a traversing mechanism; 71. a connecting rod; 72. an end plate; 73. moving the guide wheel shaft; 74. a spring; 75. a baffle;
80. an assistant for climbing the transmission line iron tower;
90. a guide rail; 91. a working surface of the guide rail; 92. the side surfaces of the guide rail; 93. the back of the guide rail.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a transmission line iron tower climbing system, including transmission line iron tower climbing assistant 80 and guide rail 90, this transmission line iron tower climbing assistant 80 contains organism 10 and organism 20 down, go up organism 10 and contain frame 11, actuating mechanism 30, drive mechanism 60, drive belt mechanism 40 and hold-down mechanism 50, drive belt mechanism 40 contains drive belt 45, driving pulley 41 and first driven pulley 42 are all connected with frame 11, actuating mechanism 30 can drive belt mechanism 40 operation through drive mechanism 60, organism 20 contains first bottom rail 21 and second bottom rail 22 down, drive belt 45 is located between first bottom rail 21 and second bottom rail 22, guide rail 90 is pegged graft in drive belt 45, in recess 12 that first bottom rail 21 and second bottom rail 22 enclose, hold-down mechanism 50 can make organism 20 move to the direction of being close to or keeping away from last organism 10 down, the lower floor area of drive belt 45 will contact with the working face 91 of guide rail, thereby make the area of drive belt 45 compress tightly the working face 91 of guide rail, rely on the friction between drive belt 45 and the working face 91 of guide rail drive belt 91, the drive belt 40 can make the transmission line climbing to move to the guide rail 80 as shown in FIG. 1.
In this embodiment, the frame 11 has a rectangular structure, and the frame 11 includes a first upper beam 13 and a second upper beam 14 that are parallel to each other, the first upper beam 13 is disposed in parallel with a first lower beam 21, and the second upper beam 14 is disposed in parallel with a second lower beam 22, as shown in fig. 7.
The pressing mechanism 50 is capable of moving the first lower beam 21 and the second lower beam 22 in the Z-axis direction in fig. 7 in synchronization. When the pressing mechanism 50 moves the first lower cross member 21 and the second lower cross member 22 in the positive direction of the Z axis in fig. 7 (the arrow direction of the Z axis) in synchronization, the belt 45, the first lower cross member 21, and the second lower cross member 22 will clamp the guide rail 90. When the pressing mechanism 50 moves the first lower cross member 21 and the second lower cross member 22 in the negative direction of the Z-axis in fig. 7 in synchronization, the belt 45, the first lower cross member 21, and the second lower cross member 22 cannot clamp the guide rail 90.
In the present embodiment, the belt 45 is located between the first upper beam 13 and the second upper beam 14, and the lower belt surface of the belt 45 is lower than the lower end surface of the frame 11 so that the lower belt surface of the belt 45 contacts the working surface 91 of the guide rail. The running direction of the belt 45 is parallel to the first upper cross member 13, and a second driven pulley 43 and a third driven pulley 44 are further provided between the driving pulley 41 and the first driven pulley 42.
The center line of the driving pulley 41, the center line of the first driven pulley 42, the center line of the second driven pulley 43, and the center line of the third driven pulley 44 are all disposed along the Y-axis direction in fig. 7, and the running direction of the belt 45 (i.e., the moving direction of the lower belt surface of the belt 45) is along the X-axis direction in fig. 7. Thus, after the lower belt surface of the driving belt 45 presses against the working surface 91 of the guide rail, by means of the friction between the driving belt 45 and the working surface 91 of the guide rail, the lower belt surface of the driving belt 45 moves to realize that the power transmission tower climbing assistant 80 moves along the guide rail 90, that is, the power transmission tower climbing assistant 80 can move along the direction perpendicular to the paper surface of fig. 13.
In the present embodiment, the outer surface of the driving pulley 41, the outer surface of the first driven pulley 42, the outer surface of the second driven pulley 43, and the outer surface of the third driven pulley 44 are each provided with external teeth, and the inner surface of the transmission belt 45 is provided with internal teeth, which mesh with the internal teeth. The driving pulley 41, the first driven pulley 42, the second driven pulley 43, and the third driven pulley 44 are each clearance fitted with the frame 11. The second driven pulley 43 and the third driven pulley 44 may be used to increase the friction between the drive belt 45 and the running surface 91 of the guide rail.
In the present embodiment, the driving mechanism 30 is a motor driving mechanism, the driving mechanism 30 includes a speed reducer 31, a motor 32, and an encoder 33 connected in this order, the transmission mechanism 60 includes a pinion gear 61 and a large gear 62 meshed with each other, the pinion gear 61 is connected to the speed reducer 31, and the large gear 62 is connected to the driving pulley 41. After the motor 32 is started, the driving pulley 41 can be driven to rotate by the speed reducer 31, the pinion 61 and the large gear 62 in sequence, so that the driving belt 45 is driven to rotate between the driving pulley 41 and the first driven pulley 42. The transmission mechanism 60 may employ not only a gear transmission mechanism but also a chain transmission and a belt transmission.
In this embodiment, the pressing mechanism 50 includes a first eccentric wheel 51, an eccentric wheel shaft 52, a second eccentric wheel 53 and a handle 54 which are sequentially connected, a first shaft sleeve 55 and a second shaft sleeve 56 are sleeved at intervals outside the eccentric wheel shaft 52, the first shaft sleeve 55 is connected with the first lower beam 21 through a first pull rod 57, the second shaft sleeve 56 is connected with the second lower beam 22 through a second pull rod 58, and the working surface (i.e. the outer circumferential surface) of the first eccentric wheel 51 and the working surface of the second eccentric wheel 53 are both abutted against the frame 11, as shown in fig. 11.
The working surface of the first eccentric wheel 51 is abutted with the gasket on the first upper beam 13, and the working surface of the second eccentric wheel 53 is abutted with the gasket on the second upper beam 14. The first eccentric wheel 51 and the second eccentric wheel 53 are connected with the eccentric wheel shaft 52 through keys, and one end of the handle 54 is inserted into the second eccentric wheel 53. After the handle 54 is pulled, the first eccentric wheel 51, the second eccentric wheel 53 and the eccentric wheel shaft 52 all synchronously rotate along with the handle 54, so that the eccentric wheel shaft 52, the first pull rod 57, the second pull rod 58, the first lower cross beam 21 and the second lower cross beam 22 all synchronously move along the Z-axis direction in fig. 7.
When the eccentric shaft 52 is rotated to the pressing position (i.e., the handle 54 is rotated to about 9 o' clock as shown in fig. 1), the distance between the first and second lower cross members 21 and 22 and the upper body 10 reaches a minimum value, and the driving belt 45, the first and second lower cross members 21 and 22 clamp the guide rail 90. When the eccentric shaft 52 is rotated to the release position (i.e., the handle 54 is rotated to about 12 o' clock in fig. 1), the distance between the first and second lower cross members 21 and 22 and the upper body 10 reaches a maximum, and the belt 45, the first and second lower cross members 21 and 22 cannot clamp the guide rail 90.
In this embodiment, the cross section of the first eccentric wheel 51 and the cross section of the second eccentric wheel 53 are mirror images, the first pull rod 57 and the second pull rod 58 both pass through the frame 11, the second pull rod 58 is located between the first pull rod 57 and the second eccentric wheel 53, and the handle 54 is located outside the frame 11. The first pull rod 57 passes through the first upper beam 13, the first pull rod 57 is in clearance fit with the first upper beam 13, the second pull rod 58 passes through the second upper beam 14, and the second pull rod 58 is in clearance fit with the second upper beam 14. The two ends of the first pull rod 57 are respectively connected and fixed with the first shaft sleeve 55 and the first lower cross beam 21, and the two ends of the second pull rod 58 are respectively connected and fixed with the second shaft sleeve 56 and the second lower cross beam 22.
In the present embodiment, the inner side of the first lower cross member 21 and the inner side of the second lower cross member 22 are both provided with side guide wheels 25 for contacting the side surfaces 92 of the guide rail, the inner side of the first lower cross member 21 is also provided with fixed guide wheels 23 for contacting the back surfaces 93 of the guide rail, the inner side of the second lower cross member 22 is also provided with pressing guide wheels 24 for contacting the back surfaces 93 of the guide rail, and the outer side of the second lower cross member 22 is provided with a traverse mechanism 70 capable of moving the pressing guide wheels 24 in the axial direction (i.e., Y-axis direction in fig. 7) of the pressing guide wheels 24.
In this embodiment, two pressing guide wheels 24 are disposed on the inner side of the second lower beam 22, the traversing mechanism 70 includes a connecting rod 71, the connecting rod 71 is parallel to the second lower beam 22, the connecting rod 71 is connected with the pressing guide wheels 24 sequentially through an end plate 72 and a moving guide wheel shaft 73, a spring 74 capable of resetting the pressing guide wheels 24 is disposed between the pressing guide wheels 24 and the second lower beam 22, and when the connecting rod 71 rotates in a direction away from the lower body 20, the end plate 72 can drive the pressing guide wheels 24 to move in a direction approaching the second lower beam 22 through the moving guide wheel shaft 73, as shown in fig. 7 and 12.
The end plate 72 is hinged to the movable guide axle 73, the hinge point of the end plate 72 and the movable guide axle 73 is located between the connecting rod 71 and the contact point of the end plate 72 and the second lower cross beam 22, the pressing guide wheel 24 can rotate around the movable guide axle 73, and the connecting rod 71 and the end plate 72 can rotate around the contact point of the end plate 72 and the second lower cross beam 22. When the pull link 71 is rotated in a direction away from the lower body 20 (i.e., the link 71 is rotated toward the lower side in fig. 7), the end plate 72 is also rotated by the link 71, and both the moving guide axle 73 and the pinch guide wheel 24 are moved in a direction in which the Y-axis approaches the second lower cross member 22, and vice versa.
In this embodiment, in order to enable the fixed guide wheel 23 and the pressing guide wheel 24 to lock the fixed guide rail 90, the second eccentric wheel 53 is externally connected with the limiting rod 59, the limiting rod 59 is perpendicular to the handle 54, the limiting rod 59 can synchronously rotate along with the second eccentric wheel 53, the baffle 75 is fixedly connected between the two end plates 72, the baffle 75 is located between the connecting rod 71 and the second lower cross beam 22, and two ends of the baffle 75 are welded with the two end plates 72.
When the eccentric axle 52 is rotated to the pressing position (i.e., the handle 54 is rotated to about 9 o 'clock as shown in fig. 1, and the stop lever 59 is rotated to about 6 o' clock as shown in fig. 1), the stop lever 75 is positioned between the stop lever 59 and the frame 11, and the stop lever 59 and the second lower cross member 22 will clamp the stop lever 75 such that neither the end plate 72 nor the link 71 can rotate, and the stop lever 59 such that the link 71 cannot rotate in a direction away from the lower body 20; when the eccentric axle 52 is rotated to the released position (i.e., the handle 54 is rotated to about 12 o 'clock as shown in fig. 1, and the stop lever 59 is rotated to about 9 o' clock as shown in fig. 1), the stop lever 59 will not be able to prevent the link 71 from rotating in a direction away from the lower housing 20.
In addition, the transmission line iron tower climbing assistant 80 further comprises a hanging ring 15, a front limiting plate 16, a rear limiting plate 17 and a control unit. The front limiting plate 16 and the rear limiting plate 17 are matched with the contact switch, when the limiting plate collides with a front obstacle, the limiting plate is separated from the contact switch by a certain distance, and the contact switch transmits signals to enable the equipment to brake emergently, so that the safety of tower climbing operators is protected.
The working process of the transmission line iron tower climbing system is described below.
1. The pylon climbing assistant 80 is mounted on a guide rail 90.
Pulling the connecting rod 71 to rotate away from the lower body 20, moving the guide wheel shaft 73 and the pressing guide wheel 24 to move towards the direction approaching the second lower cross beam 22, increasing the distance between the pressing guide wheel 24 and the fixed guide wheel 23, adjusting the groove 12 of the power transmission tower climbing assistant 80 to a proper angle, inserting the guide rail 90 into the groove 12, and releasing the connecting rod 71 to reduce the distance between the pressing guide wheel 24 and the fixed guide wheel 23, wherein the power transmission tower climbing assistant 80 will not separate from the guide rail 90. Turning the handle 54 from the 12 o 'clock position shown in fig. 1 to the 9 o' clock position, the lower belt surface of the belt 45 will press against the running surface 91 of the guide rail.
2. And installing the transmission line iron tower climbing system on the transmission line iron tower.
Guide rail 90 is vertically mounted on a transmission tower and transmission tower climbing assistant 80 is able to walk up and down along guide rail 90. Specifically, drive mechanism 30 operates belt mechanism 40 via drive mechanism 60, and belt 45 rotates and moves to frictionally move pylon climbing assistant 80 along guide rail 90, as shown in fig. 13-15. Because the belt and the belt wheel do not slide relatively, the circumferential speeds of the two wheels can be kept synchronous, so that the running speed of the climbing aid can be controlled, and the slipping is prevented. The lower surface of the driving belt is tightly contacted with the surface of the guide rail under the action of the pressing mechanism, and the climbing aid is driven to move up and down by virtue of friction force between the lower surface of the driving belt and the guide rail, and provides tension for a person climbing a tower. The tower climbing personnel are connected with the hanging ring through the connecting rope, and the hanging ring is arranged on the axis of the rear connecting plate.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical features and the technical features, the technical features and the technical invention can be freely combined for use.
Claims (7)
1. The utility model provides a transmission line iron tower climbing system, a serial communication port, transmission line iron tower climbing system includes transmission line iron tower climbing assistant (80) and guide rail (90), this transmission line iron tower climbing assistant (80) contains organism (10) and lower organism (20), go up organism (10) and contain frame (11), actuating mechanism (30), actuating mechanism (60), actuating mechanism (40) and hold-down mechanism (50), actuating mechanism (40) contain actuating belt (45), driving pulley (41) and first driven pulley (42) are all connected with frame (11), actuating mechanism (30) can drive actuating mechanism (40) operation through actuating mechanism (60), lower organism (20) contain first lower beam (21) and second lower beam (22), actuating belt (45) are located between first lower beam (21) and second lower beam (22), guide rail (90) peg graft in actuating belt (45), first lower beam (21) and second lower beam (22) become recess (12), hold-down mechanism (50) can make organism (20) be close to or keep away from upward direction to move, the pressing mechanism (50) can also press the belt surface of the transmission belt (45) against the working surface (91) of the guide rail, and the transmission belt mechanism (40) operates to enable the transmission line iron tower climbing assistant (80) to move along the guide rail (90);
the driving mechanism (30) comprises a speed reducer (31), a motor (32) and an encoder (33) which are sequentially connected, the transmission mechanism (60) comprises a pinion (61) and a large gear (62) which are meshed with each other, the pinion (61) is connected with the speed reducer (31), and the large gear (62) is connected with the driving pulley (41);
the pressing mechanism (50) comprises a first eccentric wheel (51), an eccentric wheel shaft (52), a second eccentric wheel (53) and a handle (54) which are sequentially connected, a first shaft sleeve (55) and a second shaft sleeve (56) are sleeved outside the eccentric wheel shaft (52), the first shaft sleeve (55) is connected with a first lower cross beam (21) through a first pull rod (57), the second shaft sleeve (56) is connected with a second lower cross beam (22) through a second pull rod (58), and the working face of the first eccentric wheel (51) and the working face of the second eccentric wheel (53) are both in butt joint with the frame (11);
the first eccentric wheel (51) and the second eccentric wheel (53) are connected with the eccentric wheel shaft (52) through keys, one end of the handle (54) is inserted into the second eccentric wheel (53), and after the handle (54) is pulled, the first eccentric wheel (51), the second eccentric wheel (53) and the eccentric wheel shaft (52) synchronously rotate along with the handle (54);
when the eccentric wheel shaft (52) rotates to a pressing position, the handle (54) rotates to a 9 o' clock position, and the distance between the first lower cross beam (21) and the second lower cross beam (22) and the upper machine body (10) reaches the minimum value; when the eccentric axle (52) rotates to a release position, the handle (54) rotates to a 12 o' clock position, and the distance between the first lower cross beam (21) and the second lower cross beam (22) and the upper machine body (10) reaches the maximum value;
the cross section of the first eccentric wheel (51) and the cross section of the second eccentric wheel (53) are mirror images, the first pull rod (57) and the second pull rod (58) penetrate through the frame (11), the second pull rod (58) is located between the first pull rod (57) and the second eccentric wheel (53), and the handle (54) is located on the outer side of the frame (11).
2. The transmission line pylon climbing system according to claim 1, wherein the frame (11) has a rectangular structure, the frame (11) comprises a first upper beam (13) and a second upper beam (14) which are parallel to each other, the first upper beam (13) is disposed in parallel with the first lower beam (21) up and down, and the second upper beam (14) is disposed in parallel with the second lower beam (22) up and down.
3. The transmission line pylon climbing system according to claim 2, wherein a drive belt (45) is located between the first upper beam (13) and the second upper beam (14), a lower belt surface of the drive belt (45) is lower than a lower end surface of the frame (11), a running direction of the drive belt (45) is parallel to the first upper beam (13), and a second driven pulley (43) and a third driven pulley (44) are further included between the driving pulley (41) and the first driven pulley (42).
4. A pylon climbing system according to claim 3, wherein the outer surface of the driving pulley (41), the outer surface of the first driven pulley (42), the outer surface of the second driven pulley (43) and the outer surface of the third driven pulley (44) are each provided with external teeth, and the inner surface of the driving belt (45) is provided with internal teeth, said external teeth being in engagement with the internal teeth.
5. The transmission line pylon climbing system according to claim 1, wherein the inner sides of the first lower cross beam (21) and the second lower cross beam (22) are both provided with side guide wheels (25) for contacting with the side surfaces (92) of the guide rail, the inner side of the first lower cross beam (21) is also provided with fixed guide wheels (23) for contacting with the back surfaces (93) of the guide rail, the inner side of the second lower cross beam (22) is also provided with a pressing guide wheel (24) for contacting with the back surfaces (93) of the guide rail, and the outer side of the second lower cross beam (22) is provided with a traversing mechanism (70) capable of enabling the pressing guide wheel (24) to move along the axial direction of the pressing guide wheel (24).
6. The transmission line pylon climbing system according to claim 5, wherein two compression guide wheels (24) are arranged on the inner side of the second lower beam (22), the traversing mechanism (70) comprises a connecting rod (71), the connecting rod (71) is parallel to the second lower beam (22), the connecting rod (71) is connected with the compression guide wheels (24) sequentially through an end plate (72) and a movable guide wheel shaft (73), a spring (74) capable of resetting the compression guide wheels (24) is arranged between the compression guide wheels (24) and the second lower beam (22), and when the connecting rod (71) rotates in a direction away from the lower machine body (20), the end plate (72) can drive the compression guide wheels (24) to move in a direction approaching to the second lower beam (22) through the movable guide wheel shaft (73).
7. The transmission line tower climbing system according to claim 6, wherein a limiting rod (59) is connected to the outside of the second eccentric wheel (53), the limiting rod (59) is perpendicular to the handle (54), the limiting rod (59) can synchronously rotate along with the second eccentric wheel (53), a baffle (75) is fixedly connected between the two end plates (72), and the baffle (75) is located between the connecting rod (71) and the second lower cross beam (22);
when the eccentric wheel shaft (52) rotates to a pressing position, the baffle plate (75) is positioned between the limiting rod (59) and the frame (11), and the limiting rod (59) can prevent the connecting rod (71) from rotating in a direction away from the lower machine body (20); when the eccentric shaft (52) rotates to the release position, the limiting rod (59) cannot block the connecting rod (71) from rotating in a direction away from the lower machine body (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910069854.8A CN109568902B (en) | 2019-01-24 | 2019-01-24 | Power transmission line iron tower climbing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910069854.8A CN109568902B (en) | 2019-01-24 | 2019-01-24 | Power transmission line iron tower climbing system |
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| CN109568902A CN109568902A (en) | 2019-04-05 |
| CN109568902B true CN109568902B (en) | 2024-02-13 |
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| CN111591932B (en) * | 2020-06-12 | 2023-07-25 | 国网湖南省电力有限公司 | System and method for carrying people along anti-falling track on power transmission line |
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| EP1506799A1 (en) * | 2003-08-14 | 2005-02-16 | M+F Ingenieur Beratungs AG | Climbing aid |
| CN101771246A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院沈阳自动化研究所 | Inspection robot mechanism with lifting and clamping functions |
| CN103316458A (en) * | 2013-07-11 | 2013-09-25 | 常熟市保得利电力通讯设备有限公司 | Angle steel iron tower climbing device |
| CN106025908A (en) * | 2015-03-16 | 2016-10-12 | 北京国网富达科技发展有限责任公司 | Power transmission line pole climbing inspection robot |
| CN209519314U (en) * | 2019-01-24 | 2019-10-22 | 北京国网富达科技发展有限责任公司 | A kind of iron tower of power transmission line climbing system |
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2019
- 2019-01-24 CN CN201910069854.8A patent/CN109568902B/en active Active
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|---|---|---|---|---|
| EP1506799A1 (en) * | 2003-08-14 | 2005-02-16 | M+F Ingenieur Beratungs AG | Climbing aid |
| CN101771246A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院沈阳自动化研究所 | Inspection robot mechanism with lifting and clamping functions |
| CN103316458A (en) * | 2013-07-11 | 2013-09-25 | 常熟市保得利电力通讯设备有限公司 | Angle steel iron tower climbing device |
| CN106025908A (en) * | 2015-03-16 | 2016-10-12 | 北京国网富达科技发展有限责任公司 | Power transmission line pole climbing inspection robot |
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